Tsutomu Uchida*, Seiichi Oshita, Masayuki Ohmori, Takuo Tsuno, Koichi Soejima, Satoshi Shinozaki, Yasuhisa Take and Koichi Mitsuda
* Corresponding author: Tsutomu Uchida t-uchida@eng.hokudai.ac.jp
Nanoscale Research Letters 2011, 6:295 doi:10.1186/1556-276X-6-295